#include<bits/stdc++.h>
using namespace std;
const int N = 114514;
int n,ans;
int r[N];
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    cin >> n;
    for(int i = 1;i <= n;i ++ ){
        cin >> r[i];
    }
    sort(r + 1,r + n + 1);
    int cnt1 = 1;
    for(int i = 2;i <= n;i ++ ){
        if(r[i] > r[cnt1]){
            ans++;
            cnt1++;
        }
    }
    cout << n - ans << endl;
    return 0;
}